<?php

/**
 * @Author: zhibinm (113664000@qq.com)
 * @Date:   2018-04-17 09:26:57 
 * @Copyright:   xuebingsi
 * @Last Modified by:   Zhibinm
 * @Last Modified time: 2018-04-17 09:34:50
 */
interface Usb{
	public function Data();
}